However, because oral medications must pass through the digestive system, to have the same efficacy as IV medications oral antibiotics must have high âbioavailabilityâ â the percentage of the drug that reaches the blood. Drugs administered via PICC lines have, by definition, 100 percent bioavailability.
A: Bactrim is a type of antibiotic used to treat a range of bacterial infections in the body according to WebMD. Physicians prescribe Bactrim to treat certain types of sexually transmitted diseases, urinary tract infections, respiratory illnesses, and various other infections.
Â· just now. Report Abuse. Bactrim (sulfamethoxazole/trimethoprim) is a type of prescription antibiotic used to treat several infections, including urinary tract infections (UTIs). Bactrim works to treat infections such as these by interfering with the ability of bacteria to grow and multiply.